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back to working through the terminal.
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from __future__ import absolute_import
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bzrlib import (
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from bzrlib.symbol_versioning import (
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_valid_boolean_strings = dict(yes=True, no=False,
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class ConfirmationUserInterfacePolicy(object):
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"""Wrapper for a UIFactory that allows or denies all confirmed actions."""
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def __init__(self, wrapped_ui, default_answer, specific_answers):
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"""Generate a proxy UI that does no confirmations.
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:param wrapped_ui: Underlying UIFactory.
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:param default_answer: Bool for whether requests for
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confirmation from the user should be noninteractively accepted or
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:param specific_answers: Map from confirmation_id to bool answer.
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self.wrapped_ui = wrapped_ui
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self.default_answer = default_answer
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self.specific_answers = specific_answers
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def __getattr__(self, name):
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return getattr(self.wrapped_ui, name)
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return '%s(%r, %r, %r)' % (
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self.__class__.__name__,
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self.specific_answers)
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def confirm_action(self, prompt, confirmation_id, prompt_kwargs):
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if confirmation_id in self.specific_answers:
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return self.specific_answers[confirmation_id]
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elif self.default_answer is not None:
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return self.default_answer
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return self.wrapped_ui.confirm_action(
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prompt, confirmation_id, prompt_kwargs)
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class UIFactory(object):
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"""UI abstraction.
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"%(from_format)s to %(to_format)s.\n"
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"This may take some time. Upgrade the repositories to the "
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"same format for better performance."
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experimental_format_fetch=("Fetching into experimental format "
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"This format may be unreliable or change in the future "
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"without an upgrade path.\n"),
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"The command 'bzr %(deprecated_name)s' "
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"has been deprecated in bzr %(deprecated_in_version)s. "
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"Please use 'bzr %(recommended_name)s' instead."),
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deprecated_command_option=(
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"The option '%(deprecated_name)s' to 'bzr %(command)s' "
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"has been deprecated in bzr %(deprecated_in_version)s. "
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"Please use '%(recommended_name)s' instead."),
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recommend_upgrade=("%(current_format_name)s is deprecated "
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"and a better format is available.\n"
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"It is recommended that you upgrade by "
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"running the command\n"
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" bzr upgrade %(basedir)s"),
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u"Stole dead lock %(lock_url)s %(other_holder_info)s."),
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not_checking_ssl_cert=(
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u"Not checking SSL certificate for %(host)s."),
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def __init__(self):
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self._quiet = state
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def confirm_action(self, prompt, confirmation_id, prompt_kwargs):
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"""Seek user confirmation for an action.
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If the UI is noninteractive, or the user does not want to be asked
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about this action, True is returned, indicating bzr should just
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The confirmation id allows the user to configure certain actions to
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always be confirmed or always denied, and for UIs to specialize the
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display of particular confirmations.
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:param prompt: Suggested text to display to the user.
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:param prompt_kwargs: A dictionary of arguments that can be
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string-interpolated into the prompt.
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:param confirmation_id: Unique string identifier for the confirmation.
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return self.get_boolean(prompt % prompt_kwargs)
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def get_password(self, prompt=u'', **kwargs):
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def get_password(self, prompt='', **kwargs):
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"""Prompt the user for a password.
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:param prompt: The prompt to present the user (must be unicode)
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:param prompt: The prompt to present the user
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:param kwargs: Arguments which will be expanded into the prompt.
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This lets front ends display different things if
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template = self._user_warning_templates[warning_id]
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fail = "bzr warning: %r, %r" % (warning_id, message_args)
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warnings.warn("no template for warning: " + fail) # so tests will fail etc
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fail = "failed to format warning %r, %r" % (warning_id, message_args)
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warnings.warn(fail) # so tests will fail etc
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return template % message_args
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except ValueError, e:
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fail = "bzr unprintable warning: %r, %r, %s" % (
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fail = "failed to format warning %r, %r: %s" % (
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warning_id, message_args, e)
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warnings.warn(fail) # so tests will fail etc
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def choose(self, msg, choices, default=None):
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"""Prompt the user for a list of alternatives.
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:param msg: message to be shown as part of the prompt.
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:param choices: list of choices, with the individual choices separated
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by '\n', e.g.: choose("Save changes?", "&Yes\n&No\n&Cancel"). The
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letter after the '&' is the shortcut key for that choice. Thus you
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can type 'c' to select "Cancel". Shorcuts are case insensitive.
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The shortcut does not need to be the first letter. If a shorcut key
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is not provided, the first letter for the choice will be used.
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:param default: default choice (index), returned for example when enter
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is pressed for the console version.
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:return: the index fo the user choice (so '0', '1' or '2' for
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respectively yes/no/cancel in the previous example).
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raise NotImplementedError(self.choose)
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def get_boolean(self, prompt):
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"""Get a boolean question answered from the user.
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:param prompt: a message to prompt the user with. Should be a single
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line without terminating \\n.
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line without terminating \n.
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:return: True or False for y/yes or n/no.
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choice = self.choose(prompt + '?', '&yes\n&no', default=None)
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raise NotImplementedError(self.get_boolean)
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def get_integer(self, prompt):
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"""Get an integer from the user.
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:param prompt: a message to prompt the user with. Could be a multi-line
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prompt but without a terminating \\n.
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prompt but without a terminating \n.
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:return: A signed integer.
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return NullProgressView()
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def recommend_upgrade(self, current_format_name, basedir):
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"""Recommend the user upgrade a control directory.
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:param current_format_name: Description of the current format
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:param basedir: Location of the control dir
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self.show_user_warning('recommend_upgrade',
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current_format_name=current_format_name, basedir=basedir)
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def recommend_upgrade(self,
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# XXX: this should perhaps be in the TextUIFactory and the default can do
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# XXX: Change to show_user_warning - that will accomplish the previous
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# xxx. -- mbp 2010-02-25
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trace.warning("%s is deprecated "
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"and a better format is available.\n"
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"It is recommended that you upgrade by "
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"running the command\n"
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def report_transport_activity(self, transport, byte_count, direction):
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"""Called by transports as they do IO.
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"""Show a warning to the user."""
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raise NotImplementedError(self.show_warning)
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class NoninteractiveUIFactory(UIFactory):
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"""Base class for UIs with no user."""
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def confirm_action(self, prompt, confirmation_id, prompt_kwargs):
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return '%s()' % (self.__class__.__name__, )
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class SilentUIFactory(NoninteractiveUIFactory):
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def warn_cross_format_fetch(self, from_format, to_format):
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"""Warn about a potentially slow cross-format transfer.
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This is deprecated in favor of show_user_warning, but retained for api
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compatibility in 2.0 and 2.1.
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self.show_user_warning('cross_format_fetch', from_format=from_format,
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def warn_experimental_format_fetch(self, inter):
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"""Warn about fetching into experimental repository formats."""
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if inter.target._format.experimental:
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trace.warning("Fetching into experimental format %s.\n"
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"This format may be unreliable or change in the future "
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"without an upgrade path.\n" % (inter.target._format,))
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class SilentUIFactory(UIFactory):
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"""A UI Factory which never prints anything.
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This is the default UI, if another one is never registered by a program
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def __repr__(self):
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return "%s(%r)" % (self.__class__.__name__, self.responses)
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def confirm_action(self, prompt, confirmation_id, args):
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return self.get_boolean(prompt % args)
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def get_boolean(self, prompt):
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return self.responses.pop(0)
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def get_integer(self, prompt):
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return self.responses.pop(0)
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def get_password(self, prompt=u'', **kwargs):
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def get_password(self, prompt='', **kwargs):
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return self.responses.pop(0)
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def get_username(self, prompt, **kwargs):
added
removed
bzrlib/ui/__init__.py
